Double-Walled Insulation: Our 500ml thermo flask features double-walled insulation, providing hours of temperature retention. Whether you want to keep your beverages piping hot or ice-cold, this stainless steel thermal bottle has got you covered. No more worrying about your drinks losing their desired temperature. Leak-Proof Design: Say goodbye to messy spills and leaks with our safe leak-proof mug flask. The carefully engineered design ensures that you can carry it in your bag or backpack without any worries. Now you can enjoy your favorite beverages on the go without the fear of ruining your belongings. Premium Quality: We understand the importance of using premium materials. That's why our stainless steel thermos is made of durable stainless steel. It is not only resistant to rust and c
